Revert my previous change since IP address operations require API version >= 2018.
Revert my previous change since IP address operations require API
version >= 2018.

ByteInternet/libcloud,mistio/libcloud,Kami/libcloud,apache/libcloud,andrewsomething/libcloud,andrewsomething/libcloud,ByteInternet/libcloud,mistio/libcloud,apache/libcloud,Kami/libcloud,Kami/libcloud,mistio/libcloud,ByteInternet/libcloud,apache/libcloud,andrewsomething/libcloud